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import * as React from "react";
import { observable, action, computed, runInAction, reaction, IReactionDisposer } from "mobx";
import { observer } from "mobx-react";
import "./TimelineOverview.scss";
import * as $ from 'jquery';
import { Timeline } from "./Timeline";
import { Keyframe, KeyframeFunc } from "./Keyframe";
interface TimelineOverviewProps {
totalLength: number;
visibleLength: number;
visibleStart: number;
currentBarX: number;
isAuthoring: boolean;
parent: Timeline;
changeCurrentBarX: (pixel: number) => void;
movePanX: (pixel: number) => any;
time: number;
tickSpacing: number;
tickIncrement: number;
}
@observer
export class TimelineOverview extends React.Component<TimelineOverviewProps>{
@observable private _visibleRef = React.createRef<HTMLDivElement>();
@observable private _scrubberRef = React.createRef<HTMLDivElement>();
@observable private overviewBarWidth: number = 0;
@observable private _authoringReaction?: IReactionDisposer;
@observable private visibleTime: number = 0;
@observable private currentX: number = 0;
@observable private visibleStart: number = 0;
private readonly DEFAULT_HEIGHT = 50;
private readonly DEFAULT_WIDTH = 300;
componentDidMount = () => {
this.setOverviewWidth();
this._authoringReaction = reaction(
() => this.props.parent._isAuthoring,
() => {
if (!this.props.parent._isAuthoring) {
runInAction(() => {
this.setOverviewWidth();
});
}
},
);
}
componentWillUnmount = () => {
this._authoringReaction && this._authoringReaction();
}
@action
setOverviewWidth() {
const width = $("#timelineOverview").width();
// console.log($("timelineOverview"))
if (width) this.overviewBarWidth = width;
// else this.overviewBarWidth = 0;
// console.log(this.overviewBarWidth)
}
@action
onPointerDown = (e: React.PointerEvent) => {
e.stopPropagation();
e.preventDefault();
document.removeEventListener("pointermove", this.onPanX);
document.removeEventListener("pointerup", this.onPointerUp);
document.addEventListener("pointermove", this.onPanX);
document.addEventListener("pointerup", this.onPointerUp);
}
@action
onPanX = (e: PointerEvent) => {
e.stopPropagation();
e.preventDefault();
const movX = (this.props.visibleStart / this.props.totalLength) * (this.DEFAULT_WIDTH) + e.movementX;
// let movX = (this.props.visibleStart / this.props.totalLength) * (this.overviewWidth) + e.movementX;
this.props.movePanX((movX / (this.DEFAULT_WIDTH)) * this.props.totalLength);
// this.props.movePanX((movX / (this.overviewWidth) * this.props.totalLength);
}
@action
onPointerUp = (e: PointerEvent) => {
e.stopPropagation();
e.preventDefault();
document.removeEventListener("pointermove", this.onPanX);
document.removeEventListener("pointerup", this.onPointerUp);
}
@action
onScrubberDown = (e: React.PointerEvent) => {
e.preventDefault();
e.stopPropagation();
// if (!this.props.isAuthoring) {
document.removeEventListener("pointermove", this.onScrubberMove);
document.removeEventListener("pointerup", this.onScrubberUp);
document.addEventListener("pointermove", this.onScrubberMove);
document.addEventListener("pointerup", this.onScrubberUp);
// }
}
@action
onScrubberMove = (e: PointerEvent) => {
e.preventDefault();
e.stopPropagation();
const scrubberRef = this._scrubberRef.current!;
const left = scrubberRef.getBoundingClientRect().left;
const offsetX = Math.round(e.clientX - left);
this.props.changeCurrentBarX((((offsetX) / this.overviewBarWidth) * this.props.totalLength) + this.props.currentBarX);
}
@action
onScrubberUp = (e: PointerEvent) => {
e.preventDefault();
e.stopPropagation();
document.removeEventListener("pointermove", this.onScrubberMove);
document.removeEventListener("pointerup", this.onScrubberUp);
}
@action
getTimes() {
const vis = KeyframeFunc.convertPixelTime(this.props.visibleLength, "mili", "time", this.props.tickSpacing, this.props.tickIncrement);
const x = KeyframeFunc.convertPixelTime(this.props.currentBarX, "mili", "time", this.props.tickSpacing, this.props.tickIncrement);
const start = KeyframeFunc.convertPixelTime(this.props.visibleStart, "mili", "time", this.props.tickSpacing, this.props.tickIncrement);
this.visibleTime = vis;
this.currentX = x;
this.visibleStart = start;
// console.log("getting times")
// console.log(x)
// console.log(start)
}
render() {
this.setOverviewWidth();
this.getTimes();
const percentVisible = this.visibleTime / this.props.time;
const visibleBarWidth = percentVisible * this.overviewBarWidth;
const percentScrubberStart = this.currentX / this.props.time;
const scrubberStart = percentScrubberStart * this.overviewBarWidth;
const percentBarStart = this.visibleStart / this.props.time;
const barStart = percentBarStart * this.overviewBarWidth;
const timeline = this.props.isAuthoring ? [
<div key="timeline-overview-container" className="timeline-overview-container" id="timelineOverview">
<div ref={this._visibleRef} key="timeline-overview-visible" className="timeline-overview-visible" style={{ left: `${barStart}px`, width: `${visibleBarWidth}px` }} onPointerDown={this.onPointerDown}></div>,
<div ref={this._scrubberRef} key="timeline-overview-scrubber-container" className="timeline-overview-scrubber-container" style={{left: `${(this.props.currentBarX / this.props.totalLength) * this.overviewBarWidth}px`}} onPointerDown={this.onScrubberDown}>
<div key="timeline-overview-scrubber-head" className="timeline-overview-scrubber-head"></div>
</div>
</div>
] : [
<div className="timeline-play-bar" style={{ width: this.overviewBarWidth }}>
<div ref={this._scrubberRef} className="timeline-play-head" style={{ left: `${(this.props.currentBarX / this.props.totalLength) * this.overviewBarWidth}px` }} onPointerDown={this.onScrubberDown}></div>
</div>,
<div className="timeline-play-tail" style={{ width: `${(this.props.currentBarX / this.props.totalLength) * this.overviewBarWidth}px` }}></div>
];
return (
<div className="timeline-flex">
<div className="timelineOverview-bounding">
{timeline}
</div>
</div>
);
}
}
|
